UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkhUM41FW6dv+nzArvIqOx7wth8gJFn14Gyx2OkGyKk=' 
WHERE 
  key_id = '7ca4cc5ef4cc17151387de21ac57b4ccb24e4fc2968eae689347991770c5eb5d' 
  AND (
    token = 'zkhUM41FW6dv+nzArvIqOx7wth8gJFn14Gyx2OkGyKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )